- Yablon
- Yablong
- Yabroff
- Yabut
- Yach
- Yacoub
- Yaeger
- Yaffe
- Yager
- Yaghmai
- Yahn
- Yakes
- Yale
- Yamada
- Yamagiwa
- Yamaguchi
- Yamaji
- Yamamoto
- Yamashita
- Yamat
- Yamen
- Yamoah
- Yan
- Yancey
- Yancy
- Yanes
- Yanez
- Yang
- Yankee
- Yanow
- Yanule
- Yao
- Yaqubi
- Yarak
- Yarber
- Yarbrough
- Yario
- Yarmo
- Yarovskiy
- Yarrito
- Yaseen
- Yasin
- Yassin
- Yasukawa
- Yates
- Yau
- Yawitz
- Ybarra
- Yearson
- Yeaton
- Yee
- Yelich
- Yeo
- Yepez
- Yeray
- Yessne
- Yetsky
- Yetter
- Yeung
- Yi
- Yip
- Yisreal
- Yitzhak
- Ylagan
- Yllaconza
- Yoder
- Yohai
- Yohanan
- Yokich
- Yokoyama
- Yoksas
- Yonan
- Yondorf
- Yonkowski
- Yonover
- Yoo
- Yoon
- York
- Yorke
- Yorton
- Yoshida
- Yoshihara
- Yost
- Youkerd
- Youkhana
- Youna
- Younan
- Young
- Young-Lai
- Youngblood
- Yousif
- Youssefi
- Yousuf
- Yovits
- Ypil
- Ystrom
- Yu
- Yuan
- Yudkowsky
- Yuen
- Yufit
- Yuknis
- Yung
- Yuratovac
- Yuriga
- Yurovitsky
- Yurschak
- Yzaguirre